G5NB-1A-E-24V G5NB-1A-E-24V 通信继电器 G5NB-1A-E-24VC G5NB-1A-E-24VDC G5NB-1A-E-24VDC(N)(A) G5NB-1A-E-48VDC G5NB1AE5DC G5NB1A-E5DC G5NB-1A--E-5V G5NB-1A-E-5V